When a fracture cuts across several rock layers, we can interpret that:
A) the fracture is younger than the layers it crosscuts
B) the fracture is older than the layers it crosscuts
C) the layers of rock are younger than the fracture.
D) the fracture formed at some time prior to the rock layers

Question

Quizplus · Accepted Answer

The principle of cross-cutting relationships states that the geologic feature which cuts another is the younger of the two features. Therefore, if a fracture cuts across several rock layers, it must be younger than those layers.

When a Fracture Cuts Across Several Rock Layers, We Can